Dr. Pam Grewall, MD
- Medicare services, 2024
- 399
- Medicare patients, 2024
- 196
- Part D claims, 2024
- 118
- Publications
- 2
- MIPS score, 2024
- 61
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grewall's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Pam Grewall is a hospitalist in San Jose, California
Dr. Grewall practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Grewall's NPI, 1578580445, was assigned on July 16, 2006. Dr. Grewall graduated from New York Medical College in 2000. Dr. Grewall's California license number on file is A78443.
- NPI
- 1578580445NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335188820
- NPI enumeration date
- July 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Pam Grewall practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Grewall's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Pam Grewall is affiliated with 3 sites of care and 4 medical groups
Dr. Grewall's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Grewall to 3 more medical groups, 1 community health center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Pam Grewall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Pam Grewall is one of 3,186 hospitalists in California
Hospitalist is Dr. Grewall's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Grewall is board certified in internal medicine by the American Board of Internal Medicine. Dr. Grewall has a license on file in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, bile duct problems, cardiac arrhythmia, circulation problems, congestive heart failure, gastrointestinal infection, heart attack and hypertension among the conditions Dr. Grewall treats.
Hospitalists near Dr. Grewall
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Pam Grewall billed Medicare for 399 services in 2024
CMS data shows 399 Medicare services from Dr. Grewall across 4 procedure codes in 2024, for 196 Medicare patients. Medicare paid $38,421 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grewall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3532024: 39913%
Dr. Grewall compared with the California median for hospitalists, 2024
- Dr. Grewall
- California median
- Medicare services
- 399vs 4307% below
- Medicare patients
- 196vs 201Close to median
- Part D claims
- 11vs 6984% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Grewall's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Pam Grewall treated 196 Medicare patients in 2024, average age 76
CMS counts 196 Medicare patients who saw Dr. Grewall in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 2.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grewall's median patient age at 72, with 45% women.
Dr. Grewall's Medicare patients by age, 2024
Dr. Grewall's Medicare patients by sex, 2024
- Women10654%
- Men9046%
Chronic conditions among Dr. Grewall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Chronic kidney disease58%
- Ischemic heart disease54%
- Arthritis47%
- Heart failure47%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grewall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Pam Grewall wrote 118 Medicare Part D claims in 2024
In 2024, Dr. Grewall wrote 118 Medicare Part D claims for 50 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $97 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Grewall's Part D claims by kind of drug, 2024
- Generic101 claims86%
- Brand-name and other17 claims14%
Dr. Grewall's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grewall's Part D claims, 2024
- Antibiotics15%18 of 118 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 272024: 1159%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Pam Grewall scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Grewall for performance year 2024, reported as part of a group. Dr. Grewall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Grewall's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Pam Grewall has 2 publications on record
Dmand AI links 2 papers to Dr. Grewall. Dr. Grewall's most frequent co-authors are Joseph W. Leung, MD, Arun G. Suryaprasad, MD and Raymond H. Tu, MD.
Dr. Grewall's most frequent co-authors
- Joseph W. Leung, MD1 shared paper
- Arun G. Suryaprasad, MD1 shared paper
- Raymond H. Tu, MD1 shared paper
Recent publications by Dr. Grewall
Gastrointest Endosc
See who Dr. Grewall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grewall works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Pam Grewall received $742 in industry payments from 2016 to 2024
CMS Open Payments shows 23 general payments to Dr. Grewall from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $181.
General payments to Dr. Grewall by program year, 2016 to 2024
Companies that paid Dr. Grewall the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Pam Grewall graduated from New York Medical College
Dr. Grewall graduated from New York Medical College in 2000.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Pam Grewall accepts plans from 2 insurance carriers
Dr. Grewall is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- CMS Medicare
Plan types Dr. Grewall accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Pam Grewall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Pam Grewall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Pam Grewall's NPI number?
Dr. Pam Grewall's NPI number is 1578580445. It was assigned on July 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Pam Grewall?
Dr. Pam Grewall is a hospitalist in San Jose, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Pam Grewall practice?
Dr. Grewall practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Grewall's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Grewall to 3 medical groups, 1 community health center and 1 group practice or clinic.
What is Dr. Pam Grewall's office phone number?
The practice phone on file for Dr. Grewall is (408) 885-5000.
What is Dr. Pam Grewall's medical license number?
Dr. Grewall's California license number on file is A78443.
Which hospitals is Dr. Pam Grewall affiliated with?
Dr. Grewall practices at Santa Clara Valley Medical Center in San Jose, California.
What medical group is Dr. Pam Grewall part of?
Dr. Grewall is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Dr. Grewall to 3 more medical groups.
Does Dr. Pam Grewall accept Medicare?
Yes. CMS data shows Dr. Grewall billed Medicare for 399 services in 2024, and Dr. Grewall accepts Medicare assignment.
What is Dr. Pam Grewall's MIPS score?
Dr. Grewall's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Pam Grewall see?
CMS counts 196 Medicare patients who saw Dr. Grewall in 2024, with an average age of 76.
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Is Dr. Pam Grewall board certified?
Yes. Dr. Grewall is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Pam Grewall bill to Medicare?
In 2024, Dr. Grewall's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Pam Grewall go to medical school?
Dr. Grewall graduated from New York Medical College in 2000.
What drugs does Dr. Pam Grewall prescribe most?
In 2024 Medicare Part D data, Dr. Grewall's most prescribed drugs by claims were Pantoprazole Sodium.
Has Dr. Pam Grewall received payments from drug or device companies?
CMS Open Payments shows $742 in general payments to Dr. Grewall from 7 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Pam Grewall been practicing?
Dr. Grewall graduated from medical school in 2000, 26 years ago.
Does Dr. Pam Grewall do research?
Dmand AI links 2 publications to Dr. Grewall.
Who does Dr. Pam Grewall publish with?
Dr. Grewall's most frequent co-authors are Joseph W. Leung, MD (1 shared paper), Arun G. Suryaprasad, MD (1 shared paper) and Raymond H. Tu, MD (1 shared paper).
What insurance does Dr. Pam Grewall accept?
Dr. Grewall is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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